Struct cursive::backend::puppet::Backend

pub struct Backend { /* fields omitted */ }

Puppet backend for testing.

Methods

impl Backend

pub fn init(size_op: Option<Vec2>) -> Box<Backend> where
    Self: Sized, 

Creates new Puppet backend of given or default size.

pub fn current_style(&self) -> Rc<ObservedStyle>

Returns current ObservedStyle

pub fn stream(&self) -> Receiver<ObservedScreen>

Ouput stream of consecutive frames rendered by Puppet backend

pub fn input(&self) -> Sender<Option<Event>>

Input stream to inject artificial input to Puppet backend.

Trait Implementations

impl Backend for Backend

fn poll_event(&mut self) -> Option<Event>

Polls the backend for any input.

fn finish(&mut self)

Prepares to close the backend.

fn refresh(&mut self)

Refresh the screen.

fn has_colors(&self) -> bool

Should return true if this backend supports colors.

fn screen_size(&self) -> Vec2

Returns the screen size.

fn print_at(&self, pos: Vec2, text: &str)

Main method used for printing

fn clear(&self, clear_color: Color)

Clears the screen with the given color.

fn set_color(&self, new_colors: ColorPair) -> ColorPair

Starts using a new color.

fn set_effect(&self, effect: Effect)

Enables the given effect.

fn unset_effect(&self, effect: Effect)

Disables the given effect.

fn print_at_rep(&self, pos: Vec2, repetitions: usize, text: &str)

First positions the cursor, similar to print_at, and then prints the given number of repetitions of text.

fn name(&self) -> &str

Returns a name to identify the backend.